Option to change selection area color

[Jason_t]

Its often difficult to see which clip is selected & if the clip is the same color as the selection color it can be very difficult to see. it would be much easier if the selection area could be customised in the preferences menu or if the selected clip could turn a different shade of the color or even a stripey background to it.

[Idonotlikebroccoli]

Striped clip background would be a great improvement for clip selection visibility.